“…11 Derivatives of 1,2,4-triazole and their fused systems occupy a prominent position among the promising compounds in medicinal chemistry. 7,12 These compounds have demonstrated notable antibacterial, 13,14 antifungal, 15 anticancer 16,17 and antiviral 18 activities. For instance, pyrazolo [4,3-e] [1,2,4]triazolopyrimidine 1 exhibited excellent activity against HCC1937 and HeLa cells.…”